Onan 7NHM-FA/26105F User Manual

Table of Contents
SECTION TITLE
PAGE
SAFETY PRECAUTIONS
Inside Front Cover
1 INTRODUCTION .................................................. 1-1
2 GENERAL SPECIFICATIONS ...................................... 2-1
3 DIMENSIONS AND CLEARANCES ................................. 3-1
4 TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
5 PREPARING FOR SERVICE ....................................... 5-1
Troubleshooting ................................................. 5-1
Safety .......................................................... 5-1
Special Tools .................................................... 5-2
Removing the Genset
............................................ 5-2
6 ENGINE - PRIMARY SYSTEMS .................................... 6-1
Troubleshooting Engine Primary Systems ........................... 6-2
Exhaust System
................................................. 6-6
Cooling System ................................................. 6-7
Ignition System
................................................. 6-1 0
Cylinder Compression Test
...................................... 6-13
Crankcase Breather Assembly
................................... 6-13
Governor and Carburetor Adjustments ............................ 6-14
Fuel System
................................................... 6-19
Electric Starter ................................................. 6-35
7. CONTROL ....................................................... 7-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Control Description {Mechanical-governor generator sets) ............ 7-2
Control Operation
............................................... 7-3
Control Description {Electronic-governor generator sets)
.............. 7-8
Control Operation
.............................................. 7-1 0
Control Troubleshooting
......................................... 7-15
A. WARNING: A.
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.

Onan 7NHM-FA/26105F Specifications

General

Brand	Onan
Model	7NHM-FA/26105F
Category	Inverter
Language	English